-68.96% is the change from 451 to 140
Calculation steps:
[( 140 - 451 ) ÷ 451] x 100 = -68.96%
Formula
Percentage change = [(140 - 451) / 451] x 100
Subtract the new number by the original number
140 - 451 = -311
-311 ÷ 451 = -0.6895787139689579
-0.6895787139689579 x 100 = -68.96%